The coherence properties of supercontinuum spectra generated in photonic crystal fiber

Yuan Guo; Shuangchen Ruan; Yongqin Yu; Yuncai Wang

doi:10.1117/12.725724

29 January 2007 The coherence properties of supercontinuum spectra generated in photonic crystal fiber

Yuan Guo, Shuangchen Ruan, Yongqin Yu, Yuncai Wang

Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 627967 (2007) https://doi.org/10.1117/12.725724
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China

Abstract

Temporal coherence property of supercontinuum (SC) generated in a polarization-maintaining photonic crystal fiber (PM-PCF) pumped by Ti:sapphire fs laser was experimentally studied by using a modified Michelson interferometer. The coherence length of supercontinuum light was measured to characterize the temporal coherence property. The coherence lengths of supercontinuum and pump laser were measured to be 6.5 μm and 59.14 μm, respectively. The shortened coherence length of supercontinuum output from the PM-PCF was due to the broadened spectrum. Moreover, the interferogram evolution versus the supercontinuum spectra was also investigated. It was indicated that the flatter the supercontinuum was, the better the interferogram was.

Citation Download Citation

Yuan Guo, Shuangchen Ruan, Yongqin Yu, and Yuncai Wang "The coherence properties of supercontinuum spectra generated in photonic crystal fiber", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 627967 (29 January 2007); https://doi.org/10.1117/12.725724

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